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https://www.readbyqxmd.com/read/28322423/uptake-of-non-vitamin-k-antagonist-oral-anti-coagulants-in-patients-with-atrial-fibrillation-a-prospective-cohort-study
#1
Matylda Zimny, Steffen Blum, Peter Ammann, Paul Erne, Giorgio Moschovitis, Marcello Di Valentino, Dipen Shah, Jürg Schläpfer, Cyrill Vogt, Alexandra Tabord, Michael Kühne, Christian Sticherling, Stefan Osswald, David Conen
AIMS: We aimed to assess the uptake of non-vitamin K antagonist oral anticoagulants (NOACs) among patients with atrial fibrillation between 2010 and 2015 in Switzerland. METHODS: We performed a prospective observational cohort study. At the baseline examination and during yearly follow-ups, we used questionnaires to obtain information about clinical characteristics and antithrombotic treatment. Stroke risk was assessed using the CHA2DS2-VASc score. RESULTS: 1545 patients were enrolled across seven centres in Switzerland...
March 21, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28292566/impact-of-anticoagulation-in-elderly-patients-with-pulmonary-embolism-that-undergo-ivc-filter-placement-a-retrospective-cohort-study
#2
John M Falatko, Bhavinkumar Dalal, Lihua Qu
BACKGROUND: Anticoagulation is the primary treatment for pulmonary embolism (PE). Inferior vena cava (IVC) filters are an adjunctive intervention to prevent recurrent pulmonary embolism. Long-term outcomes in elderly patients with contraindications to anticoagulation after IVC filter placement for prevention of recurrent pulmonary embolism have yet to be assessed. MATERIALS AND METHODS: Patients ≥60years of age, that had an IVC filter placed between January 1st, 2008 and February 2nd, 2013, with a primary diagnosis of pulmonary embolism, were included...
February 28, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28283876/purification-of-serine-protease-from-polychaeta-lumbrineris-nipponica-and-assessment-of-its-fibrinolytic-activity
#3
Seung Ju Yeon, Goo Yong Chung, Jae Sang Hong, Jin Ha Hwang, Hwa Sung Shin
Ischemic stroke and cardiovascular disease can occur from blockage of blood vessels by fibrin clots formed naturally in the body. Therapeutic drugs of anticoagulant or thrombolytic agents have been studied; however, various problems have been reported such as side effects and low efficacy. Thus, development of new candidates that are more effective and safe is necessary. The objective of this study is to evaluate fibrinolytic activity, anti-coagulation, and characterization of serine protease purified from Lumbrineris nipponica, polychaeta, for new thrombolytic agents...
March 10, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28283738/anti-inflammatory-effect-of-factor-xa-inhibitors-in-japanese-patients-with-atrial-fibrillation
#4
Hiromasa Katoh, Tsuyoshi Nozue, Ichiro Michishita
Activated factor-X (FXa) plays an important role not only in the coagulation cascade, but also in pro-inflammatory responses. However, few data exist regarding the anti-inflammatory effect of FXa inhibitors in clinical practice. The aim of this study was to evaluate the anti-inflammatory and anti-atherosclerotic effects of FXa inhibitors in Japanese patients with non-valvular atrial fibrillation (NVAF). Eighty-three patients with NVAF were treated with FXa inhibitors from March 2013 to March 2015 at our institution...
March 10, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28264594/chronic-subdural-haematomas-a-single-centre-experience-developing-an-integrated-care-pathway
#5
Smita Bapat, Jonathan Shapey, Ahmed Toma, Louise Platt, Astri Maria Valpuri Luoma
OBJECTIVE: To improve quality of care for patients presenting with chronic subdural haematoma (CSDH) by introducing a multi-disciplinary integrated care pathway. SUMMARY BACKGROUND: CSDH is a common neurological condition. Incidence rises with age and currently affects around 58/100 000 people over 70 years. Six-month mortality is high (26%), however integrated care pathways have been shown to improve patient outcomes in other surgical subspecialties. MATERIALS AND METHODS: A baseline retrospective audit completed in 2012 identified areas for improvement in patient management...
March 6, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28258844/temporal-changes-of-new-onset-atrial-fibrillation-in-patients-randomized-to-surgical-or-transcatheter-aortic-valve-replacement
#6
Troels Højsgaard Jørgensen, Hans Gustav Hørsted Thyregod, Julie Bjerre Tarp, Jesper Hastrup Svendsen, Lars Søndergaard
BACKGROUND: Temporal development of new-onset atrial fibrillation (NOAF) after aortic valve replacement is unclear, and opportunistic screening has limited diagnostic accuracy. This is the first study to investigate the incidence and temporal development of NOAF detected by implantable loop recorder (ILR) in patients with aortic stenosis, randomized to surgical aortic valve replacement (SAVR) or transcatheter aortic valve replacement (TAVR). METHOD: An ILR was implanted in a subgroup of patients without pre-procedural atrial fibrillation (AF), randomized to SAVR or TAVR in the NOTION trial...
May 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28249709/simultaneous-targeting-of-cd14-and-factor-xia-by-a-fusion-protein-consisting-of-an-anti-cd14-antibody-and-the-modified-second-domain-of-bikunin-improves-survival-in-rabbit-sepsis-models
#7
Masaki Nakamura, Takashi Takeuchi, Tetsushi Kawahara, Jiro Hirose, Kazuyuki Nakayama, Yoshitaka Hosaka, Shoji Furusako
Severe sepsis is a complex, multifactorial, and rapidly progressing disease characterized by excessive inflammation and coagulation following bacterial infection. To simultaneously suppress pro-inflammatory and pro-coagulant responses, we genetically engineered a novel fusion protein (MR1007) consisting of an anti-CD14 antibody and the modified second domain of bikunin, and evaluated the potential of MR1007 as an anti-sepsis agent. Suppressive effects of MR1007 on lipopolysaccharide (LPS)-induced inflammatory responses were assessed using peripheral blood mononuclear cells or endothelial cells...
February 27, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28238163/use-of-rivaroxaban-in-patients-with-stroke
#8
REVIEW
Danilo Toni, Antonio Carolei, Valeria Caso, Domenico Consoli, Massimo Del Sette, Domenico Inzitari, Maurizio Melis, Giuseppe Micieli, Leandro Provinciali, Stefano Ricci, Paola Santalucia, Vito Toso
Rivaroxaban, an inhibitor of Factor Xa, is a direct oral anti-coagulant that has been found to be non-inferior to warfarin in preventing cerebral ischemia in patients with non-valvular atrial fibrillation and in the subgroup of patients with a history of the previous stroke or transient ischemic attack. Vascular neurologists in daily clinical practice may encounter patients taking rivaroxaban or patients who may benefit from its use. In this paper, we review the current clinical indications, contraindications, and clinical management guidelines for rivaroxaban while providing a special focus on neurological aspects and expert opinions on rivaroxaban therapy management in various situations that a neurologist may encounter when treating patients with an ischemic stroke (including those requiring intravenous or intra-arterial reperfusion therapy) and patients with an intracerebral hemorrhage...
February 25, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28226413/thrombalexin-use-of-a-cytotopic-anticoagulant-to-reduce-thrombotic-microangiopathy-in-a-highly-sensitized-model-of-kidney-transplantation
#9
Miriam Manook, Jean Kwun, Christian Burghuber, Kannan Samy, Michael Mulvihill, Janghoon Yoon, He Xu, Andrea L MacDonald, Kyle Freischlag, Verna Curfman, Evelyn Branum, David Howell, Alton Brad Farris, Richard A Smith, Stephen Sacks, Anthony Dorling, Nizam Mamode, Stuart Knechtle
Early activation of coagulation is an important factor in the initiation of innate immunity, as characterized by thrombotic microangiopathy (TMA). In transplantation, systemic anti-coagulation is difficult due to bleeding. A novel 'cytotopic' agent, 'Thrombalexin', (TLN) combines a cell-membrane bound (mirystoyl tail) anti-thrombin (HLL peptide) which can be perfused directly to the donor organ or cells.. Thromboelastography (TEG) was used to measure time to clot formation (r-time) in both rhesus and human blood, comparing TLN vs...
February 22, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28219627/antithrombin-iii-protects-against-contrast-induced-nephropathy
#10
Zeyuan Lu, Dongsheng Cheng, Jianyong Yin, Rui Wu, Guangyuan Zhang, Qing Zhao, Niansong Wang, Feng Wang, Mingyu Liang
We previously reported that insufficiency of antithrombin III (ATIII), the major anti-coagulation molecule in vivo, exacerbated renal ischemia-reperfusion injury in animal models and possibly humans. In the present study, we investigated the relationship between ATIII level and contrast induced nephropathy (CIN) in patients and examined therapeutic effect of ATIII on CIN in Sprague-Dawley rats. Patients with low ATIII activity presented a higher incidence of acute kidney injury (AKI) following coronary angiography...
February 12, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28219324/non-anti-coagulant-factors-associated-with-filter-life-in-continuous-renal-replacement-therapy-crrt-a-systematic-review-and-meta-analysis
#11
Matthew Brain, Elizabeth Winson, Owen Roodenburg, John McNeil
BACKGROUND: Optimising filter life and performance efficiency in continuous renal replacement therapy has been a focus of considerable recent research. Larger high quality studies have predominantly focussed on optimal anticoagulation however CRRT is complex and filter life is also affected by vascular access, circuit and management factors. We performed a systematic search of the literature to identify and quantify the effect of vascular access, circuit and patient factors that affect filter life and presented the results as a meta-analysis...
February 20, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28208917/early-post-operative-coronary-thrombosis-following-repair-of-a-proximal-coronary-artery-fistula
#12
Yashasvi Chugh, Bryan Lau, Cynthia C Taub
Patients with aneurysmal coronary artery fistulas are often a treatment challenge. We hereby, report a case of aneurysmal left main coronary artery to coronary sinus fistula repair, complicated by an early post-operative thrombosis of the left main coronary artery, necessitating an orthotropic heart transplant. Routine use of peri-procedural and long-term anti-coagulation is usually not a standard recommendation in these cases; however, early institution of the same may prevent flow stasis, thrombus formation and unfavourable outcomes pre- or post-operatively...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28198716/incidence-of-cannula-associated-deep-vein-thrombosis-after-veno-venous-ecmo
#13
Jay Menaker, Ali Tabatabai, Raymond Rector, Katelyn Dolly, Joseph Kufera, Eugenia Lee, Zachary Kon, Pablo Sanchez, Si Pham, Daniel L Herr, Michael Mazzeffi, Ronald P Rabinowitz, James V OʼConnor, Deborah M Stein, Thomas M Scalea
Limited literature regarding the incidence of cannula associated deep vein thrombosis (CaDVT) following veno-venous extracorporeal membrane oxygenation (VV ECMO) exists. The purpose of this study was to identify the incidence of post decannulation CaDVT and identify any associated risk factors. Forty eight patients were admitted between August 2014 and January 2016 to the Lung Rescue Unit were included in the study. Protocolized anticoagulation levels (partial thromboplastin time 45-55 second) and routine post decannulation DVT screening were in place during the study period...
February 13, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28187048/utility-of-cha2ds2-vasc-and-has-bled-scores-as-predictor-of-thromboembolism-and-bleeding-after-left-ventricular-assist-device-implantation
#14
Hatice S Kemal, Serkan Ertugay, Sanem Nalbantgil, Pelin Ozturk, Cagatay Engin, Tahir Yagdi, Mustafa Ozbaran
Ischemic and hemorrhagic events are the common causes of morbidity and mortality after continuous-flow left ventricular assist device implantation (CF-LVAD). CHA2DS2-VASc score predicts thromboembolic (TE) event risk and HAS-BLED score predicts bleeding risk in patients on anti-coagulant with atrial fibrillation. We aimed to evaluate if these scoring systems would be predictive of TE and bleeding complications following CF-LVAD implantation. From December 2010 to December 2014, 145 patients who underwent CF-LVAD implantation at a single center were included...
February 7, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28174134/whole-exome-sequencing-reveals-severe-thrombophilia-in-acute-unprovoked-idiopathic-fatal-pulmonary-embolism
#15
Matt Halvorsen, Ying Lin, Barbara A Sampson, Dawei Wang, Bo Zhou, Lucy S Eng, Sung Yon Um, Orrin Devinsky, David B Goldstein, Yingying Tang
BACKGROUND: Acute unprovoked idiopathic fatal pulmonary embolism (IFPE) causes sudden death without an identifiable thrombogenic risk. We aimed to investigate the underlying genomic risks of IFPE through whole exome sequencing (WES). METHODS: We reviewed 14years of consecutive out-of-hospital fatal pulmonary embolism records (n=1478) from the ethnically diverse population of New York City. We selected 68 qualifying IFPE cases for WES. We compared the WES data of IFPE cases to those of 9332 controls to determine if there is an excess of rare damaging variants in the genome using ethnicity-matched controls in collapsing analyses...
January 31, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28169477/localised-intravascular-coagulation-complicating-venous-malformations-in-children-associations-and-therapeutic-options
#16
REVIEW
Kevin Y Zhuo, Susan Russell, Orli Wargon, Susan Adams
Venous malformations are slow-flow congenital vascular malformations that enlarge as the child ages and may be associated with localised intravascular coagulation, a consumptive coagulopathy characterised by elevated D-dimer and decreased fibrinogen levels. The authors review the known correlations between localised intravascular coagulation and venous malformation number, size and planes involved, and call attention to the concept of the progression of localised intravascular coagulopathy as the child ages and their venous malformations enlarge...
February 7, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28165420/behavior-of-gingival-fibroblasts-on-titanium-implant-surfaces-in-combination-with-either-injectable-prf-or-prp
#17
Xuzhu Wang, Yufeng Zhang, Joseph Choukroun, Shahram Ghanaati, Richard J Miron
Various strategies have been employed to speed tissue regeneration using bioactive molecules. Interestingly, platelet concentrates derived from a patient's own blood have been utilized as a regenerative strategy in recent years. In the present study, a novel liquid platelet formulation prepared without the use of anti-coagulants (injectable-platelet-rich fibrin, i-PRF) was compared to standard platelet-rich plasma (PRP) with gingival fibroblasts cultured on smooth and roughened titanium implant surfaces. Standard PRP and i-PRF (centrifuged at 700 rpm (60× g) for 3 min) were compared by assays for fibroblast biocompatibility, migration, adhesion, proliferation, as well as expression of platelet-derived growth factor (PDGF), transforming growth factor-β (TGF-β), collagen1 (COL1) and fibronectin (FN)...
February 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28163657/successful-treatment-of-deep-vein-thrombosis-caused-by-iliac-vein-compression-syndrome-with-a-single-dose-direct-oral-anti-coagulant
#18
Naoya Nakashima, Daisuke Sueta, Yusuke Kanemaru, Seiji Takashio, Eiichiro Yamamoto, Shinsuke Hanatani, Hisanori Kanazawa, Yasuhiro Izumiya, Sunao Kojima, Koichi Kaikita, Seiji Hokimoto, Kenichi Tsujita
BACKGROUND: Although vein stenting is popular for treatment for venous thromboembolism due to mechanical compression, some cases are forced to avoid inserting align agents because of immunodeficiency. CASE PRESENTATION: An 82-year-old man with left extremity redness and swelling presented to a hospital for a medical evaluation. The patient was immunodeficient because of the adverse effects of his treatment for Castleman's disease. A contrast-enhanced computed tomography scan revealed a venous thromboembolism in inferior vena cava and the left lower extremity...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28154995/injectable-platelet-rich-fibrin-i-prf-opportunities-in-regenerative-dentistry
#19
Richard J Miron, Masako Fujioka-Kobayashi, Maria Hernandez, Umadevi Kandalam, Yufeng Zhang, Shahram Ghanaati, Joseph Choukroun
OBJECTIVES: Platelet rich plasma (PRP) has been utilized in regenerative dentistry as a supra-physiological concentrate of autologous growth factors capable of stimulating tissue regeneration. Despite this, concerns have been expressed regarding the use of anti-coagulants, agents known to inhibit wound healing. In this study, a liquid formulation of platelet rich fibrin (PRF) termed injectable-PRF (i-PRF) without the use of anti-coagulants was investigated. MATERIALS AND METHODS: Standard PRP and i-PRF (centrifuged at 700 rpm (60G) for 3 min) were compared for growth factor release up to 10 days (8 donor samples)...
February 2, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28154880/accurate-quantitation-of-circulating-cell-free-mitochondrial-dna-in-plasma-by-droplet-digital-pcr
#20
Wei Ye, Xiaojun Tang, Chu Liu, Chaowei Wen, Wei Li, Jianxin Lyu
To establish a method for accurate quantitation of circulating cell-free mitochondrial DNA (ccf-mtDNA) in plasma by droplet digital PCR (ddPCR), we designed a ddPCR method to determine the copy number of ccf-mtDNA by amplifying mitochondrial ND1 (MT-ND1). To evaluate the sensitivity and specificity of the method, a recombinant pMD18-T plasmid containing MT-ND1 sequences and mtDNA-deleted (ρ(0)) HeLa cells were used, respectively. Subsequently, different plasma samples were prepared for ddPCR to evaluate the feasibility of detecting plasma ccf-mtDNA...
February 2, 2017: Analytical and Bioanalytical Chemistry
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